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12. Alignment
In 2 x 2 mode, we only have one level, including all four (2 x 2) anchor points, being the image corners. This mode is especially
used to correct horizontal and vertical keystone.
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Image 12-34
Warp adjustment: 2 x 2 mode
In 3 x 3 mode, the image side centers represent the level two anchor points, whereas the image center represents the level three
anchor point. Together with the higher level anchor points (level 1, four anchor points), we come to a total of nine (3 x 3) anchor
points in this geometry mode. This mode can be used to fine tune
the overlap area in multiple channel display systems and to make
corrections to meet curved and double curved screens.
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Image 12-35
Warp adjustment: 3 x 3 mode
In 5 x 5 mode, we add three more levels, being level four (eight anchor points), level five (four anchor points) and level six (four
anchor points). So this mode includes 25 (5 x 5) anchor points in total. See the image below.
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Image 12-36
Geometry adjustment: 5 x 5 mode
This logic can be extrapolated for the lower modes and levels, being level seven to level 21, however in practice these modes and
levels are rarely used.
174
R5905032 HDX SERIES 02/03/2015